The Aircraft Spruce Avionics Buyer's Guide is a unique web interface which allows you to select and compare avionics by pricing and features. Choose from the most comprehensive collection in the industry. Using the Buyer's Guide you can select the product which best fits your requirements. When you are ready to place your order, you can be assured that Aircraft Spruce provides the best pricing available on every product. Thank you for choosing Aircraft Spruce as your avionics supplier.